BESTO provide Xtra Hole gages professionally, for sizes from 2-7/8 to 3-1/2 inches in diameter. All the gages come with the calibration traceable.
| XTRA HOLE (X.H.) | ||
| SIZE | T.P.I. | T.P.F. |
| 2-7/8 | 4 | 2 |
| 3-1/2 | 4 | 2 |
Instructions:
1）Material: GCr15， Measuring surface hardness 60-63HRC;
2）Comes with the calibration certificates tracealbe.
How to order?
For example:
Pls mark : 2-7/8 X.H Ring&Plug
and E-mail to: sales@bestogages.com